我相信在正确引导和良好教养下，青少年犯罪可以减少。

With the correct guidance and good parenting, I believe juvenile delinquency can be reduced.

youdao

我相信在文明国家酷刑早就废止了。

I believed that in civilized countries, torture had ended long ago.

《柯林斯英汉双解大词典》

我相信在我们党的领导下，每个中国人都将过上富裕的生活。

I believe each of Chinese will live a rich life led by our Party.

youdao

As I told you, I believe that everybody that is in this room has the intellectual apparatus to pass this class, so there is no gamesmanship here.

我告诉你，我相信在这个房间里的,每个人,都有天赋通过这门课，因此这儿没有搅乱战术。

麻省理工公开课 - 固态化学导论课程节选

In the meantime, I believe that the U.S. is doing quite a bit of work in terms of raising fuel efficiency standards,

同时，我相信美国在提高燃料效率标准方面做了不少事，

对全球变暖的政策 - SpeakingMax英语口语达人

So although I'm trying to sketch the dualist position, as I explained on Tuesday, I don't myself believe in souls.

尽管我在尝试去概述,二元论的观点,就像我在周二所说的,我自己并不相信灵魂

耶鲁公开课 - 死亡课程节选